1345305111423 has 64 divisors (see below), whose sum is σ = 2263430615040. Its totient is φ = 691809288192.

The previous prime is 1345305111419. The next prime is 1345305111463. The reversal of 1345305111423 is 3241115035431.

It is not a de Polignac number, because 1345305111423 - 2² = 1345305111419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345305111463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3093583 + ... + 3501551.

It is an arithmetic number, because the mean of its divisors is an integer number (35366103360).

Almost surely, 2^{1345305111423} is an apocalyptic number.

1345305111423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1345305111423 is a deficient number, since it is larger than the sum of its proper divisors (918125503617).

1345305111423 is a wasteful number, since it uses less digits than its factorization.

1345305111423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408296.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 1345305111423 in words is "one trillion, three hundred forty-five billion, three hundred five million, one hundred eleven thousand, four hundred twenty-three".